Best Open-Source Alternatives to Vespa Cloud (2026) | open-source.store

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Best Open Source Alternatives to Vespa Cloud

Compare the best free and open-source alternatives to Vespa Cloud — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

Vespa Cloud

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Vespa Cloud alternatives compared

Open-source alternatives to Vespa Cloud, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Milvus	45,454	Apache-2.0	LinuxDocker	Yes	Aug 2026	Visit
Qdrant	33,710	Apache-2.0	LinuxDocker	Yes	Aug 2026	Visit
Weaviate	16,677	BSD-3-Clause	LinuxDocker	Yes	Aug 2026	Visit